112388917 has 2 divisors, whose sum is σ = 112388918. Its totient is φ = 112388916.

The previous prime is 112388911. The next prime is 112388929. The reversal of 112388917 is 719883211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 111386916 + 1002001 = 10554^2 + 1001^2 .

It is a cyclic number.

It is not a de Polignac number, because 112388917 - 2¹⁵ = 112356149 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 112388917.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112388911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56194458 + 56194459.

It is an arithmetic number, because the mean of its divisors is an integer number (56194459).

Almost surely, 2^112388917 is an apocalyptic number.

It is an amenable number.

112388917 is a deficient number, since it is larger than the sum of its proper divisors (1).

112388917 is an equidigital number, since it uses as much as digits as its factorization.

112388917 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24192, while the sum is 40.

The square root of 112388917 is about 10601.3639216848. The cubic root of 112388917 is about 482.5857518936.

The spelling of 112388917 in words is "one hundred twelve million, three hundred eighty-eight thousand, nine hundred seventeen".